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// SPDX-FileCopyrightText: Copyright 2020 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <functional>
#include <list>
#include "common/common_types.h"
#include "core/hle/kernel/k_memory_block.h"
namespace Kernel {
class KMemoryBlockManager final {
public:
using MemoryBlockTree = std::list<KMemoryBlock>;
using iterator = MemoryBlockTree::iterator;
using const_iterator = MemoryBlockTree::const_iterator;
public:
KMemoryBlockManager(VAddr start_addr_, VAddr end_addr_);
iterator end() {
return memory_block_tree.end();
}
const_iterator end() const {
return memory_block_tree.end();
}
const_iterator cend() const {
return memory_block_tree.cend();
}
iterator FindIterator(VAddr addr);
VAddr FindFreeArea(VAddr region_start, std::size_t region_num_pages, std::size_t num_pages,
std::size_t align, std::size_t offset, std::size_t guard_pages);
void Update(VAddr addr, std::size_t num_pages, KMemoryState prev_state,
KMemoryPermission prev_perm, KMemoryAttribute prev_attribute, KMemoryState state,
KMemoryPermission perm, KMemoryAttribute attribute);
void Update(VAddr addr, std::size_t num_pages, KMemoryState state,
KMemoryPermission perm = KMemoryPermission::None,
KMemoryAttribute attribute = KMemoryAttribute::None);
using LockFunc = std::function<void(iterator, KMemoryPermission)>;
void UpdateLock(VAddr addr, std::size_t num_pages, LockFunc&& lock_func,
KMemoryPermission perm);
using IterateFunc = std::function<void(const KMemoryInfo&)>;
void IterateForRange(VAddr start, VAddr end, IterateFunc&& func);
KMemoryBlock& FindBlock(VAddr addr) {
return *FindIterator(addr);
}
private:
void MergeAdjacent(iterator it, iterator& next_it);
[[maybe_unused]] const VAddr start_addr;
[[maybe_unused]] const VAddr end_addr;
MemoryBlockTree memory_block_tree;
};
} // namespace Kernel
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